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Alternative names, keywords |
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Samples required |
For appropriate sampling times please see UHSussex antimicrobial guidelines (published on the UHSussex Pharmacy Microguide). |
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Test indications |
Gentamicin monitoring. |
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Factors affecting test performance/ results |
Sisomicin shows significant interference (> 50 %) with this assay. The incidence of patients with antibodies to E. coli β-galactosidase is extremely low. However, some samples containing such antibodies can result in artificially high gentamicin results that do not fit the clinical profile. If this is suspected please contact Duty Biochemist. As with any assay employing mouse antibodies, the possibility exists for interference by human anti-mouse antibodies (HAMA) in the sample, which could cause falsely elevated results. Results should always be assessed in conjunction with the patient’s medical history, clinical examination and other findings. |
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Reference range |
See UHSussex Pharmacy Microguide. Further advice is available from the Antimicrobial Specialist 07623-974334 Out-of-hours please contact the on-call pharmacists at the north or south sites of the Trust (via switchboard). |
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Turnaround time |
Same day (within 1h if urgent) |
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Enquiries |
Biochemistry (Automation) |
Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.